Date: Tue, 11 Dec 2001 16:57:00 +0100 From: Gabriel Ambuehl <gabriel_ambuehl@buz.ch> To: "Dustin Puryear" <dpuryear@usa.net> Cc: isp@freebsd.org Subject: Re[8]: Using DNAT and DNS round-robin Message-ID: <164616459602.20011211165700@buz.ch> In-Reply-To: <PGECILGGNJGDPJKLFEMIEEMACIAA.dpuryear@usa.net> References: <PGECILGGNJGDPJKLFEMIEEMACIAA.dpuryear@usa.net>
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-----BEGIN PGP SIGNED MESSAGE----- Hello Dustin, Monday, December 10, 2001, 5:05:31 PM, you wrote: > Well, one solution to this type of problem is to use remote storage > such as NAS. NAS has got the big problem of being a single point of failure. But if you can live with that, it's a great solution to achieve consistency of the load balanced data. Watch out, though, cause FreeBSD 4.X nfsclient doesn't currently support file locking! > I am working with another client that uses several webservers that > hit a few Snap servers for all of their data. Using this method we > can load-balance (using LVS and Red Hat's High Availability > Services) to our heart's content. But you are correct that there is > a problem if you leave the data on the local drive of each server. I'm working on something like FVS and despite the currently non existent VS fail over and FS replication parts, it's working pretty well (save for that fact that ipnat currently doesn't provide any other load balancing than round robin but OTOH, the system is capable to skip NAT altogether and use DNS round robin or whatever else which isn't possible with LVS, IIRC). I'm currently trying to port it to Linux (for a consulting client) but since Linux won't support bidirectional popen(), I'm somewhat stuck until I manage to get a custom version of it to work... Best regards, Gabriel -----BEGIN PGP SIGNATURE----- Version: PGP 6.5i iQEVAwUBPBYewMZa2WpymlDxAQEAfwf/cY2yx9Jav7da73M7VHV7xKLaDRTdAnVD NMape/GRjxV7PobChhstAqlx4QTfEKOrRefFNzvxxwThc/q3xr0RE5W74Frs7KGe S2xAdPwcmAQp16Q5VWV1FnUq8vVoy9vW9+EYppjeCuC6Yv5iq+7Xb18Owga3AhNI grkDxEzVe49GYcCldwVDPX6omn4qbdx+sW9GJA/NCOKIzQOXIAHJLRxveWfnHtkD 2ZDGGSV6kAuNowxD0a4qzk0tD/9MUvKDEPyTlw1TQ7pj4OwuUcrP0M7LSqIkGvuZ eS59u2T48am2AobjOQhN3rwfMyvqiihlkh02vyPjUToHWxS9OnoBDA== =v9jH -----END PGP SIGNATURE----- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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